/* package whatever; // don't place package name! */

import java.util.*;
import java.lang.*;
import java.io.*;

/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		// your code goes here
		Scanner s=new Scanner(System.in);
                  	int n,k;
                  	
                       n=s.nextInt();
                       k=s.nextInt();
                       	if(n>k)
                       	{
                       		int res=n-k;
                       		if(res%2==0)
                       	            System.out.println("even");
                       	            else
                       	            System.out.println("odd");
                       	}
                       
                 
                       else
                       {
                       	            int res=k-n;
                       		if(res%2==0)
                       	            System.out.println("even");
                       	            else
                       	            System.out.println("odd");
                       }
        
	}
}
